/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.inspur.edp.udt.generator.api.typeprocessers.persistencevaluereader;

import com.inspur.edp.caf.generator.baseInfo.TypeInfo;
import com.inspur.edp.caf.generator.item.ClassGenerator;
import com.inspur.edp.caf.generator.item.ClassGeneratorContext;
import com.inspur.edp.caf.generator.method.ClassMethodGenerator;
import com.inspur.edp.cef.api.repository.INestedPersistenceValueReader;
import com.inspur.edp.cef.api.repository.INullableNestedPersistenceValueReader;
import com.inspur.edp.cef.gencommon.MediateType;
import com.inspur.edp.udt.generator.api.UdtApiGenCtx;
import java.util.ArrayList;
import java.util.Arrays;
import lombok.var;
import org.eclipse.jdt.core.dom.Modifier;

public class PersistenceValueReaderGenerator extends ClassGenerator {

  private final boolean nullable;
  private String className;
  private UdtGetPersistenceValueMethodGenerator getValueMethodGenerator;
  private PersistenceValueReadersGenCtx genCtx;
  private UdtApiGenCtx apiGenCtx;

  public PersistenceValueReaderGenerator(String className,
      PersistenceValueReadersGenCtx genCtx,
      UdtApiGenCtx apiGenCtx,
      String columnName,
      UdtGetPersistenceValueMethodGenerator getValueMethodGenerator) {
    this(className, genCtx, apiGenCtx, columnName, getValueMethodGenerator, false);
  }

  public PersistenceValueReaderGenerator(String className,
      PersistenceValueReadersGenCtx genCtx,
      UdtApiGenCtx apiGenCtx,
      String columnName,
      UdtGetPersistenceValueMethodGenerator getValueMethodGenerator,
      boolean nullable) {
    super(apiGenCtx.getCompilationUnitInfo());
    this.className = className;
    this.getValueMethodGenerator = getValueMethodGenerator;
    this.genCtx = genCtx;
    this.apiGenCtx = apiGenCtx;
    this.nullable = nullable;
    apiGenCtx.getPersistenceValueReaderType()
        .put(columnName, new MediateType(getNameSpace(), getName()));
  }

  @Override
  protected ArrayList<TypeInfo> addParentInterfaces() {
    return new ArrayList<TypeInfo>(Arrays.asList(
        new TypeInfo[]{ nullable
                ? new TypeInfo(INullableNestedPersistenceValueReader.class)
                : new TypeInfo(INestedPersistenceValueReader.class)}));
  }

  @Override
  protected ClassGeneratorContext createClassInfoContext() {
    return new ClassGeneratorContext();
  }

  @Override
  protected ArrayList<ClassMethodGenerator> createMethodGenerators() {
    var list = super.createMethodGenerators();
    if (list == null) {
      list = new ArrayList<ClassMethodGenerator>();
    }

    list.add(getValueMethodGenerator);
    if(nullable) {
      list.add(new TransProcessersPersistenceValueReaderGenerator(apiGenCtx.getUdtGenContext()));
    }
    return list;
  }

  @Override
  protected ArrayList<Modifier.ModifierKeyword> getAccessModifier() {
    return new ArrayList<>(Arrays.asList(
        new Modifier.ModifierKeyword[]{Modifier.ModifierKeyword.PUBLIC_KEYWORD}));
  }

  @Override
  protected String getName() {
    return className;
  }

  protected String getNameSpace() {
    return apiGenCtx.getUdtGenContext().getUdt().getApiNamespace().getDefaultNamespace();
  }
}
